StdLib/LibC/gdtoa/gdtoa.h

   1 /* $NetBSD: gdtoa.h,v 1.6.4.1.4.1 2008/04/08 21:10:55 jdc Exp $ */
   2
   3 /****************************************************************
   4
   5 The author of this software is David M. Gay.
   6
   7 Copyright (C) 1998 by Lucent Technologies
   8 All Rights Reserved
   9
  10 Permission to use, copy, modify, and distribute this software and
  11 its documentation for any purpose and without fee is hereby
  12 granted, provided that the above copyright notice appear in all
  13 copies and that both that the copyright notice and this
  14 permission notice and warranty disclaimer appear in supporting
  15 documentation, and that the name of Lucent or any of its entities
  16 not be used in advertising or publicity pertaining to
  17 distribution of the software without specific, written prior
  18 permission.
  19
  20 LUCENT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
  21 INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.
  22 IN NO EVENT SHALL LUCENT OR ANY OF ITS ENTITIES BE LIABLE FOR ANY
  23 SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  24 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
  25 IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
  26 ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
  27 THIS SOFTWARE.
  28
  29 ****************************************************************/
  30
  31 /* Please send bug reports to David M. Gay (dmg at acm dot org,
  32  * with " at " changed at "@" and " dot " changed to ".").  */
  33
  34 #ifndef GDTOA_H_INCLUDED
  35 #define GDTOA_H_INCLUDED
  36 #include  <LibConfig.h>
  37
  38 #include "arith.h"
  39
  40 #ifndef Long
  41 #define Long EFI_LONG_T
  42 #endif
  43 #ifndef ULong
  44 #define ULong EFI_ULONG_T
  45 #endif
  46 #ifndef UShort
  47 #define UShort uint16_t
  48 #endif
  49
  50 #ifndef ANSI
  51 #define ANSI(x) x
  52 #define Void void
  53 #endif /* ANSI */
  54
  55 #ifndef CONST
  56 #define CONST const
  57 #endif /* CONST */
  58
  59 enum {  /* return values from strtodg */
  60   STRTOG_Zero = 0,
  61   STRTOG_Normal = 1,
  62   STRTOG_Denormal = 2,
  63   STRTOG_Infinite = 3,
  64   STRTOG_NaN  = 4,
  65   STRTOG_NaNbits  = 5,
  66   STRTOG_NoNumber = 6,
  67   STRTOG_Retmask  = 7,
  68
  69   /* The following may be or-ed into one of the above values. */
  70
  71   STRTOG_Neg  = 0x08,
  72   STRTOG_Inexlo = 0x10,
  73   STRTOG_Inexhi = 0x20,
  74   STRTOG_Inexact  = 0x30,
  75   STRTOG_Underflow= 0x40,
  76   STRTOG_Overflow = 0x80,
  77   STRTOG_NoMemory = 0x100
  78 };
  79
  80  typedef struct
  81 FPI {
  82   int nbits;
  83   int emin;
  84   int emax;
  85   int rounding;
  86   int sudden_underflow;
  87 } FPI;
  88
  89 enum {  /* FPI.rounding values: same as FLT_ROUNDS */
  90   FPI_Round_zero = 0,
  91   FPI_Round_near = 1,
  92   FPI_Round_up = 2,
  93   FPI_Round_down = 3
  94 };
  95
  96 #ifdef __cplusplus
  97 extern "C" {
  98 #endif
  99
 100 #define dtoa    __dtoa
 101 #define gdtoa   __gdtoa
 102 #define ldtoa   __ldtoa
 103 #define hldtoa    __hldtoa
 104 #define hdtoa   __hdtoa
 105 #define freedtoa  __freedtoa
 106 #define strtodg   __strtodg_D2A
 107 #define strtopQ   __strtopQ_D2A
 108 #define strtopx   __strtopx_D2A
 109 #define strtopxL  __strtopxL_D2A
 110 #define strtord   __strtord_D2A
 111
 112 extern char* dtoa  ANSI((double d, int mode, int ndigits, int *decpt,
 113       int *sign, char **rve));
 114 extern char* hdtoa ANSI((double d, const char *xdigs, int ndigits, int *decpt,
 115       int *sign, char **rve));
 116 extern char* ldtoa ANSI((long double *ld, int mode, int ndigits, int *decpt,
 117       int *sign, char **rve));
 118 extern char* hldtoa ANSI((long double e, const char *xdigs, int ndigits,
 119       int *decpt, int *sign, char **rve));
 120
 121 extern char* gdtoa ANSI((FPI *fpi, int be, ULong *bits, int *kindp,
 122       int mode, int ndigits, int *decpt, char **rve));
 123 extern void freedtoa ANSI((char*));
 124 extern float  strtof ANSI((CONST char *, char **));
 125 extern double strtod ANSI((CONST char *, char **));
 126 extern int strtodg ANSI((CONST char*, char**, CONST FPI*, Long*, ULong*));
 127
 128 extern char*  g_ddfmt  ANSI((char*, double*, int, unsigned));
 129 extern char*  g_dfmt   ANSI((char*, double*, int, unsigned));
 130 extern char*  g_ffmt   ANSI((char*, float*,  int, unsigned));
 131 extern char*  g_Qfmt   ANSI((char*, void*,   int, unsigned));
 132 extern char*  g_xfmt   ANSI((char*, void*,   int, unsigned));
 133 extern char*  g_xLfmt  ANSI((char*, void*,   int, unsigned));
 134
 135 extern int  strtoId  ANSI((CONST char*, char**, double*, double*));
 136 extern int  strtoIdd ANSI((CONST char*, char**, double*, double*));
 137 extern int  strtoIf  ANSI((CONST char*, char**, float*, float*));
 138 extern int  strtoIQ  ANSI((CONST char*, char**, void*, void*));
 139 extern int  strtoIx  ANSI((CONST char*, char**, void*, void*));
 140 extern int  strtoIxL ANSI((CONST char*, char**, void*, void*));
 141 extern int  strtord  ANSI((CONST char*, char**, int, double*));
 142 extern int  strtordd ANSI((CONST char*, char**, int, double*));
 143 extern int  strtorf  ANSI((CONST char*, char**, int, float*));
 144 extern int  strtorQ  ANSI((CONST char*, char**, int, void*));
 145 extern int  strtorx  ANSI((CONST char*, char**, int, void*));
 146 extern int  strtorxL ANSI((CONST char*, char**, int, void*));
 147
 148 extern int  strtodI  ANSI((CONST char*, char**, double*));
 149 extern int  strtopd  ANSI((CONST char*, char**, double*));
 150 extern int  strtopdd ANSI((CONST char*, char**, double*));
 151 extern int  strtopf  ANSI((CONST char*, char**, float*));
 152 extern int  strtopQ  ANSI((CONST char*, char**, void*));
 153 extern int  strtopx  ANSI((CONST char*, char**, void*));
 154 extern int  strtopxL ANSI((CONST char*, char**, void*));
 155
 156 #ifdef __cplusplus
 157 }
 158 #endif
 159 #endif /* GDTOA_H_INCLUDED */